MEMORY DEVICE

A memory device is provided. The memory device includes a first cell array stack including first gate electrodes, a first channel structure, and first pad portions respectively connected to the first gate electrodes and having a step shape, a second cell array stack disposed on the first cell array...

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Bibliographic Details
Main Authors Han, Jeehoon, Kanamori, Kohji, Kang, Seogoo, Lee, Seunghyun, Kim, Kyungdong
Format Patent
LanguageEnglish
Published 26.09.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INFORMATION STORAGE
PHYSICS
SEMICONDUCTOR DEVICES
STATIC STORES
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Summary:A memory device is provided. The memory device includes a first cell array stack including first gate electrodes, a first channel structure, and first pad portions respectively connected to the first gate electrodes and having a step shape, a second cell array stack disposed on the first cell array stack and including second gate electrodes, a second channel structure, and second pad portions respectively connected to the second gate electrodes and having a step shape, wherein the second pad portions overlap the first pad portions in the first direction, and a vertical contact passing through any one of the first pad portions, first extension portions below the any one of the first pad portions, any one of the second pad portions, and second extension portions below the any one of the second pad portions, to extend in the first direction.
Bibliography:Application Number: US202418612110